• Subject: Bruce Vining - Would you Please Comment On This
  • From: bvining@xxxxxxxxxxxx
  • Date: Tue, 27 Jun 00 10:39:19 CDT

I'm not sure which part of the note you are asking for comment on, but
will try to cover both CPW and TPC-C.  I will also throw in the
disclaimer that I am not in the performance area, but did make a few
phone calls...

First, CPW is a measured workload that is run/benchmarked on each AS/400
model.  CPW ratings do not appear to exist for platforms other than
AS/400.

TPC-C, on the other hand, is a measured workload that is run/benchmarked
on selected models of AS/400.  When you see published TPC-C numbers for
a model, they represent an actual measurement audited by the TPC.

As a general rule of thumb, one can approximate TPC-C numbers for models
that were not explicitly measured by multiplying the measured CPW by 10.
You would not however find these approximate TPC-C values published
anywhere.

Bruce

>
>At 10:33 PM 6/26/00 -0500, you wrote:
>> > My understanding is that CPW is an AS/400 centric rating, and
>> > covers no
>> > other platforms.
>> >
>> > S/390s are typically rated in MIPS.
>> >
>>
>>I have it on good authority (a briefing in Rochester last week) that CPW is
>>simply TPC-C divided by 10.
>
>Al Barsa, Jr. - Account for Midrange-L
>


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